20100392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11369}}^1$

素因数の和:11405

約数の個数: 32

約数和(自身を含む): 42978600

約数和(自身を除く): 22878208

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11369, 22738, 45476, 90952, 147797, 193273, 295594, 386546, 591188, 773092, 1182376, 1546184, 2512549, 5025098, 10050196, 20100392]

約数ペア:

[(1, 20100392), (2, 10050196), (4, 5025098), (8, 2512549), (13, 1546184), (17, 1182376), (26, 773092), (34, 591188), (52, 386546), (68, 295594), (104, 193273), (136, 147797), (221, 90952), (442, 45476), (884, 22738), (1768, 11369)]